Granted Patent
Utility
US 6,450,307 · App. 09/880,351
Pressure vessel, in particular for a vibration damper
Inventor:
Dieter Lutz
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Jun 13, 2001
Inventor
Dieter Lutz
Assignee (at issue)
Mannesmann Sachs AG
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.